/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Returns a transform for a given element's parent based on the transform type If the element does not have a parent FTransform::Identity will be returned.
The element's parent's transform
FTransform GetParentTransform ( [FRigBaseElement](API\Plugins\ControlRig\Rigs\FRigBaseElement) * InElement, const [ERigTransformType::Type](API\Plugins\ControlRig\Rigs\ERigTransformType__Type) InTransformType ) const